This is the built-in tool your phone is trying to direct you toward.
If you simply want to understand what that URL is for: It likely points to an older Huawei/VMall server endpoint for downloading “emotion” (possibly Emotion UI themes or related resources). However, without the full https:// address and proper domain ( zh.ui.vmall.com ), it’s not directly accessible. http zh ui vmall com emotiondownload php
Download the Official HiSuite Tool on a Windows or Mac computer. This is the built-in tool your phone is